WÄRMEÜBERTRAGERPLATTE

European patent · EP4421438 · Deleted

Register entry

Publication number
EP4421438
Application number
EP23158876
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Feb 27, 2023
Published
Aug 28, 2024
Granted
Apr 2, 2025
Deleted
Sep 23, 2026
Reason
Annual fee unpaid
IPC classes
F28F 9/02 (2006.01)
H01M 10/6554 (2014.01)
Filing language
German
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. Sep 23, 2026

    Deleted, fee unpaid

    Status of protective title
    Active → Cancelled
    Cancellation date
    23.09.2026
    Cause for cancellation
    Non-payment of renewal fee

    Published in Swissreg on 23.09.2026

  2. Feb 11, 2026

    Change

    Published in Swissreg on 11.02.2026

  3. Apr 2, 2025

    Granted

    Specification status
    Non-published patent application → Granted patent
    Status of protective title
    Initiated → Active

    Published in Swissreg on 02.04.2025

Parties

Inventor

Düpmeier, Tobias

33100 Paderborn, DE

Grußmann, Elmar

33184 Altenbeken, DE

Fortmeier, Günter

33129 Delbrück, DE

The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.